如何Raw文件复制到SD卡 [英] How to Copy Raw files into SD Card
本文介绍了如何Raw文件复制到SD卡的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我有问题,尝试从原始文件夹的音频文件复制到SD卡,我已经成功地创建文件夹中的SD卡,但无法在复制歌曲...
我使用本教程: HTTP:// WWW .androidhive.info / 2012/03 / Android的建筑音频播放器教程/
字符串路径= Environment.getExternalStorageDirectory()+/ PriyankaChopra;
文件DIR =新的文件(路径);
尝试{
如果(dir.mkdir()){
最终诠释[] = mSongs新INT [] {R.raw.exotic,R.raw.pyaar,R.raw.tinka};
的for(int i = 0; I< mSongs.length;我++){
尝试{
字符串str_song_name = I +MP3。
CopyRAWtoSDCard(mSongs [I],/ SD卡/ PriyankaChopra /+ str_song_name);
}赶上(IOException异常五){
// TODO自动生成catch块
e.printStackTrace();
}
}
}其他{
的System.out.println(错误,而复制歌曲到SD卡!); }
}赶上(例外五){
e.printStackTrace();
} } 私人无效CopyRAWtoSDCard(INT ID,字符串路径)抛出IOException
InputStream的在= getResources()openRawResource(ID)。
FileOutputStream中出=新的FileOutputStream(路径);
字节[] = BUFF新的字节[1024];
INT读= 0; 尝试{
而((读= in.read(BUFF))0){
out.write(BUFF,0,读);
}
} {最后
附寄();
out.close();
}
日志说:
4月10日至19日:57:43.729:D / dalvikvm(997):GC_FOR_ALLOC释放77K,7%的游离2942K / 3136K,暂停64ms的,总67ms
4月10日至19日:57:44.019:我/的System.out(997):错误,而复制歌曲到SD卡!
4月10日至19日:57:44.328:D / gralloc_goldfish(997):无仿真模拟GPU检测。
5月10日至19日:39:32.988:D / dalvikvm(4086):GC_FOR_ALLOC释放53K,6%免费2964K / 3136K,暂停45ms,总47ms
5月10日至19日:39:33.318:我/的System.out(4086):错误,而复制歌曲到SD卡!
5月10日至19日:39:34.209:D / gralloc_goldfish(4086):无仿真模拟GPU检测。
六月10日至19日:20:10.529:D / dalvikvm(8485):GC_FOR_ALLOC释放46K,6%免费2964K / 3132K,暂停37ms,总39MS
六月10日至19日:20:11.369:D / AndroidRuntime(8485):关闭VM
六月10日至19日:20:11.369:W / dalvikvm(8485):主题ID = 1:螺纹未捕获的异常(组= 0x41465700)退出
六月10日至19日:20:11.500:E / AndroidRuntime(8485):致命异常:主要
六月10日至19日:20:11.500:E / AndroidRuntime(8485):了java.lang.RuntimeException:无法启动活动ComponentInfo {com.androidhive.musicplayer / com.androidhive.musicplayer.Music}:java.lang.IndexOutOfBoundsException:无效指数为0,大小为0
六月10日至19日:20:11.500:E / AndroidRuntime(8485):在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2211)
六月10日至19日:20:11.500:E / AndroidRuntime(8485):在android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2261)
六月10日至19日:20:11.500:E / AndroidRuntime(8485):在android.app.ActivityThread.access $ 600(ActivityThread.java:141)
六月10日至19日:20:11.500:E / AndroidRuntime(8485):在android.app.ActivityThread $ H.handleMessage(ActivityThread.java:1256)
六月10日至19日:20:11.500:E / AndroidRuntime(8485):在android.os.Handler.dispatchMessage(Handler.java:99)
六月10日至19日:20:11.500:E / AndroidRuntime(8485):在android.os.Looper.loop(Looper.java:137)
六月10日至19日:20:11.500:E / AndroidRuntime(8485):在android.app.ActivityThread.main(ActivityThread.java:5103)
六月10日至19日:20:11.500:E / AndroidRuntime(8485):在java.lang.reflect.Method.invokeNative(本机方法)
六月10日至19日:20:11.500:E / AndroidRuntime(8485):在java.lang.reflect.Method.invoke(Method.java:525)
六月10日至19日:20:11.500:E / AndroidRuntime(8485):在com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:737)
六月10日至19日:20:11.500:E / AndroidRuntime(8485):在com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
六月10日至19日:20:11.500:E / AndroidRuntime(8485):在dalvik.system.NativeStart.main(本机方法)
六月10日至19日:20:11.500:E / AndroidRuntime(8485):java.lang.IndexOutOfBoundsException:通过而产生的无效指数为0,大小为0
六月10日至19日:20:11.500:E / AndroidRuntime(8485):在java.util.ArrayList.throwIndexOutOfBoundsException(ArrayList.java:255)
六月10日至19日:20:11.500:E / AndroidRuntime(8485):在java.util.ArrayList.get(ArrayList.java:308)
六月10日至19日:20:11.500:E / AndroidRuntime(8485):在com.androidhive.musicplayer.Music.playSong(Music.java:282)
六月10日至19日:20:11.500:E / AndroidRuntime(8485):在com.androidhive.musicplayer.Music.onCreate(Music.java:81)
六月10日至19日:20:11.500:E / AndroidRuntime(8485):在android.app.Activity.performCreate(Activity.java:5133)
六月10日至19日:20:11.500:E / AndroidRuntime(8485):在android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
六月10日至19日:20:11.500:E / AndroidRuntime(8485):在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2175)
六月10日至19日:20:11.500:E / AndroidRuntime(8485):11 ...更多
六月10日至19日:22:14.589:D / dalvikvm(8922):GC_FOR_ALLOC释放50K,6%免费2964K / 3136K,暂停为33ms,共为35ms
六月10日至19日:22:14.809:D / AndroidRuntime(8922):关闭VM
六月10日至19日:22:14.809:W / dalvikvm(8922):主题ID = 1:螺纹未捕获的异常(组= 0x41465700)退出
六月10日至19日:22:14.870:E / AndroidRuntime(8922):致命异常:主要
六月10日至19日:22:14.870:E / AndroidRuntime(8922):了java.lang.RuntimeException:无法启动活动ComponentInfo {com.androidhive.musicplayer / com.androidhive.musicplayer.Music}:java.lang.IndexOutOfBoundsException:无效指数为0,大小为0
六月10日至19日:22:14.870:E / AndroidRuntime(8922):在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2211)
六月10日至19日:22:14.870:E / AndroidRuntime(8922):在android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2261)
六月10日至19日:22:14.870:E / AndroidRuntime(8922):在android.app.ActivityThread.access $ 600(ActivityThread.java:141)
六月10日至19日:22:14.870:E / AndroidRuntime(8922):在android.app.ActivityThread $ H.handleMessage(ActivityThread.java:1256)
六月10日至19日:22:14.870:E / AndroidRuntime(8922):在android.os.Handler.dispatchMessage(Handler.java:99)
六月10日至19日:22:14.870:E / AndroidRuntime(8922):在android.os.Looper.loop(Looper.java:137)
六月10日至19日:22:14.870:E / AndroidRuntime(8922):在android.app.ActivityThread.main(ActivityThread.java:5103)
六月10日至19日:22:14.870:E / AndroidRuntime(8922):在java.lang.reflect.Method.invokeNative(本机方法)
六月10日至19日:22:14.870:E / AndroidRuntime(8922):在java.lang.reflect.Method.invoke(Method.java:525)
六月10日至19日:22:14.870:E / AndroidRuntime(8922):在com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:737)
六月10日至19日:22:14.870:E / AndroidRuntime(8922):在com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
六月10日至19日:22:14.870:E / AndroidRuntime(8922):在dalvik.system.NativeStart.main(本机方法)
六月10日至19日:22:14.870:E / AndroidRuntime(8922):java.lang.IndexOutOfBoundsException:通过而产生的无效指数为0,大小为0
六月10日至19日:22:14.870:E / AndroidRuntime(8922):在java.util.ArrayList.throwIndexOutOfBoundsException(ArrayList.java:255)
六月10日至19日:22:14.870:E / AndroidRuntime(8922):在java.util.ArrayList.get(ArrayList.java:308)
六月10日至19日:22:14.870:E / AndroidRuntime(8922):在com.androidhive.musicplayer.Music.playSong(Music.java:281)
六月10日至19日:22:14.870:E / AndroidRuntime(8922):在com.androidhive.musicplayer.Music.onCreate(Music.java:80)
六月10日至19日:22:14.870:E / AndroidRuntime(8922):在android.app.Activity.performCreate(Activity.java:5133)
六月10日至19日:22:14.870:E / AndroidRuntime(8922):在android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
六月10日至19日:22:14.870:E / AndroidRuntime(8922):在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2175)
六月10日至19日:22:14.870:E / AndroidRuntime(8922):11 ...更多
解决方案
与我替换你的code。
这是工作完美的在这里。
添加仅此权限:
<使用许可权的android:NAME =android.permission.WRITE_EXTERNAL_STORAGE/>
的Java code:
进口的java.io.File;
进口java.io.FileOutputStream中;
进口java.io.IOException异常;
进口的java.io.InputStream;
进口android.app.Activity;
进口android.os.Bundle;
进口android.os.Environment;公共类样品延伸活动{@覆盖
保护无效的onCreate(捆绑savedInstanceState){
super.onCreate(savedInstanceState);
的setContentView(R.layout.activity_main);
最终诠释[] = mSongs新INT [] {R.raw.background,R.raw.background1,R.raw.background2};
的for(int i = 0; I< mSongs.length;我++){
尝试{
字符串路径= Environment.getExternalStorageDirectory()+/ PriyankaChopra;
文件DIR =新的文件(路径);
如果(dir.mkdirs()|| dir.isDirectory()){
字符串str_song_name = I +.MP3
CopyRAWtoSDCard(mSongs [I],路径+文件分割符+ str_song_name);
}
}赶上(IOException异常五){
e.printStackTrace();
}
}}私人无效CopyRAWtoSDCard(INT ID,字符串路径)抛出IOException
InputStream的在= getResources()openRawResource(ID)。
FileOutputStream中出=新的FileOutputStream(路径);
字节[] = BUFF新的字节[1024];
INT读= 0;
尝试{
而((读= in.read(BUFF))0){
out.write(BUFF,0,读);
}
} {最后
附寄();
out.close();
}
}}
I am having problem, while trying to copy audio files from raw folder to SD Card, I have successfully created folder in SD Card, but not able to copy songs in that...
I am using this tutorial: http://www.androidhive.info/2012/03/android-building-audio-player-tutorial/
String path = Environment.getExternalStorageDirectory() + "/PriyankaChopra" ;
File dir = new File(path);
try{
if(dir.mkdir()) {
final int[] mSongs = new int[] { R.raw.exotic, R.raw.pyaar, R.raw.tinka };
for (int i = 0; i < mSongs.length; i++) {
try {
String str_song_name= i +".mp3";
CopyRAWtoSDCard(mSongs[i], "/sdcard/PriyankaChopra/"+str_song_name);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
} else {
System.out.println("Error, while Copying songs to SD Card!");
}
}catch(Exception e){
e.printStackTrace();
}
}
private void CopyRAWtoSDCard(int id, String path) throws IOException {
InputStream in = getResources().openRawResource(id);
FileOutputStream out = new FileOutputStream(path);
byte[] buff = new byte[1024];
int read = 0;
try {
while ((read = in.read(buff)) > 0) {
out.write(buff, 0, read);
}
} finally {
in.close();
out.close();
}
Log says:
10-19 04:57:43.729: D/dalvikvm(997): GC_FOR_ALLOC freed 77K, 7% free 2942K/3136K, paused 64ms, total 67ms
10-19 04:57:44.019: I/System.out(997): Error, while Copying songs to SD Card!
10-19 04:57:44.328: D/gralloc_goldfish(997): Emulator without GPU emulation detected.
10-19 05:39:32.988: D/dalvikvm(4086): GC_FOR_ALLOC freed 53K, 6% free 2964K/3136K, paused 45ms, total 47ms
10-19 05:39:33.318: I/System.out(4086): Error, while Copying songs to SD Card!
10-19 05:39:34.209: D/gralloc_goldfish(4086): Emulator without GPU emulation detected.
10-19 06:20:10.529: D/dalvikvm(8485): GC_FOR_ALLOC freed 46K, 6% free 2964K/3132K, paused 37ms, total 39ms
10-19 06:20:11.369: D/AndroidRuntime(8485): Shutting down VM
10-19 06:20:11.369: W/dalvikvm(8485): threadid=1: thread exiting with uncaught exception (group=0x41465700)
10-19 06:20:11.500: E/AndroidRuntime(8485): FATAL EXCEPTION: main
10-19 06:20:11.500: E/AndroidRuntime(8485): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.androidhive.musicplayer/com.androidhive.musicplayer.Music}: java.lang.IndexOutOfBoundsException: Invalid index 0, size is 0
10-19 06:20:11.500: E/AndroidRuntime(8485): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2211)
10-19 06:20:11.500: E/AndroidRuntime(8485): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2261)
10-19 06:20:11.500: E/AndroidRuntime(8485): at android.app.ActivityThread.access$600(ActivityThread.java:141)
10-19 06:20:11.500: E/AndroidRuntime(8485): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1256)
10-19 06:20:11.500: E/AndroidRuntime(8485): at android.os.Handler.dispatchMessage(Handler.java:99)
10-19 06:20:11.500: E/AndroidRuntime(8485): at android.os.Looper.loop(Looper.java:137)
10-19 06:20:11.500: E/AndroidRuntime(8485): at android.app.ActivityThread.main(ActivityThread.java:5103)
10-19 06:20:11.500: E/AndroidRuntime(8485): at java.lang.reflect.Method.invokeNative(Native Method)
10-19 06:20:11.500: E/AndroidRuntime(8485): at java.lang.reflect.Method.invoke(Method.java:525)
10-19 06:20:11.500: E/AndroidRuntime(8485): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737)
10-19 06:20:11.500: E/AndroidRuntime(8485): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
10-19 06:20:11.500: E/AndroidRuntime(8485): at dalvik.system.NativeStart.main(Native Method)
10-19 06:20:11.500: E/AndroidRuntime(8485): Caused by: java.lang.IndexOutOfBoundsException: Invalid index 0, size is 0
10-19 06:20:11.500: E/AndroidRuntime(8485): at java.util.ArrayList.throwIndexOutOfBoundsException(ArrayList.java:255)
10-19 06:20:11.500: E/AndroidRuntime(8485): at java.util.ArrayList.get(ArrayList.java:308)
10-19 06:20:11.500: E/AndroidRuntime(8485): at com.androidhive.musicplayer.Music.playSong(Music.java:282)
10-19 06:20:11.500: E/AndroidRuntime(8485): at com.androidhive.musicplayer.Music.onCreate(Music.java:81)
10-19 06:20:11.500: E/AndroidRuntime(8485): at android.app.Activity.performCreate(Activity.java:5133)
10-19 06:20:11.500: E/AndroidRuntime(8485): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
10-19 06:20:11.500: E/AndroidRuntime(8485): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2175)
10-19 06:20:11.500: E/AndroidRuntime(8485): ... 11 more
10-19 06:22:14.589: D/dalvikvm(8922): GC_FOR_ALLOC freed 50K, 6% free 2964K/3136K, paused 33ms, total 35ms
10-19 06:22:14.809: D/AndroidRuntime(8922): Shutting down VM
10-19 06:22:14.809: W/dalvikvm(8922): threadid=1: thread exiting with uncaught exception (group=0x41465700)
10-19 06:22:14.870: E/AndroidRuntime(8922): FATAL EXCEPTION: main
10-19 06:22:14.870: E/AndroidRuntime(8922): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.androidhive.musicplayer/com.androidhive.musicplayer.Music}: java.lang.IndexOutOfBoundsException: Invalid index 0, size is 0
10-19 06:22:14.870: E/AndroidRuntime(8922): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2211)
10-19 06:22:14.870: E/AndroidRuntime(8922): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2261)
10-19 06:22:14.870: E/AndroidRuntime(8922): at android.app.ActivityThread.access$600(ActivityThread.java:141)
10-19 06:22:14.870: E/AndroidRuntime(8922): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1256)
10-19 06:22:14.870: E/AndroidRuntime(8922): at android.os.Handler.dispatchMessage(Handler.java:99)
10-19 06:22:14.870: E/AndroidRuntime(8922): at android.os.Looper.loop(Looper.java:137)
10-19 06:22:14.870: E/AndroidRuntime(8922): at android.app.ActivityThread.main(ActivityThread.java:5103)
10-19 06:22:14.870: E/AndroidRuntime(8922): at java.lang.reflect.Method.invokeNative(Native Method)
10-19 06:22:14.870: E/AndroidRuntime(8922): at java.lang.reflect.Method.invoke(Method.java:525)
10-19 06:22:14.870: E/AndroidRuntime(8922): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737)
10-19 06:22:14.870: E/AndroidRuntime(8922): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
10-19 06:22:14.870: E/AndroidRuntime(8922): at dalvik.system.NativeStart.main(Native Method)
10-19 06:22:14.870: E/AndroidRuntime(8922): Caused by: java.lang.IndexOutOfBoundsException: Invalid index 0, size is 0
10-19 06:22:14.870: E/AndroidRuntime(8922): at java.util.ArrayList.throwIndexOutOfBoundsException(ArrayList.java:255)
10-19 06:22:14.870: E/AndroidRuntime(8922): at java.util.ArrayList.get(ArrayList.java:308)
10-19 06:22:14.870: E/AndroidRuntime(8922): at com.androidhive.musicplayer.Music.playSong(Music.java:281)
10-19 06:22:14.870: E/AndroidRuntime(8922): at com.androidhive.musicplayer.Music.onCreate(Music.java:80)
10-19 06:22:14.870: E/AndroidRuntime(8922): at android.app.Activity.performCreate(Activity.java:5133)
10-19 06:22:14.870: E/AndroidRuntime(8922): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
10-19 06:22:14.870: E/AndroidRuntime(8922): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2175)
10-19 06:22:14.870: E/AndroidRuntime(8922): ... 11 more
解决方案
Replace your code with mine.
it is working perfect here.
Add only this Permission :
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
Java Code :
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import android.app.Activity;
import android.os.Bundle;
import android.os.Environment;
public class Sample extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
final int[] mSongs = new int[] { R.raw.background, R.raw.background1, R.raw.background2 };
for (int i = 0; i < mSongs.length; i++) {
try {
String path = Environment.getExternalStorageDirectory() + "/PriyankaChopra";
File dir = new File(path);
if (dir.mkdirs() || dir.isDirectory()) {
String str_song_name = i + ".mp3";
CopyRAWtoSDCard(mSongs[i], path + File.separator + str_song_name);
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
private void CopyRAWtoSDCard(int id, String path) throws IOException {
InputStream in = getResources().openRawResource(id);
FileOutputStream out = new FileOutputStream(path);
byte[] buff = new byte[1024];
int read = 0;
try {
while ((read = in.read(buff)) > 0) {
out.write(buff, 0, read);
}
} finally {
in.close();
out.close();
}
}
}
这篇关于如何Raw文件复制到SD卡的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
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